DATA SEGMENT
    INFO DB 0DH,0AH,'HELLO!$'
DATA ENDS

CODE SEGMENT
    ASSUME DS:DATA,CS:CODE
START:
    MOV AX,DATA
    MOV DS,AX
    
    LEA DX,INFO
    MOV AH,9
    INT 21H
    
    MOV AH,4CH   
    INT 21H
CODE ENDS
    END START